In a statement published on the organisation’s Facebook page, they said: “Williamson has repeatedly defended, and shared platforms with, anti-Semites expelled from the Labour Party and he has called antisemitism allegations in the Labour Party ‘proxy wars and bulls**t’.

“As such, any society inviting him onto campus, for any reason, is a betrayal of Jewish students in Sheffield and the Jewish community as a whole.”

Sheffield Labour Left was founded in October 2017 to organise Labour Party members in Sheffield who support the direction the party is moving under Jeremy Corbyn and John McDonnell.